Monthly outlook for Lyons Plain, CT: average high 66.1°, average low 50.6°. That is 2.3° above the climate normal for October. Precipitation is expected on 4 days (about 1.2 inches), against a normal of 4 days and 2.1 inches. The warmest day looks like 17 October (79.3°), the coolest 22 October (39.9°).
66.1°/50.6°
Average high / low
+2.3°
Above normal
4 / 4
Wet days / normal
1.2 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
8 October – 17 October
67.8°
63°
+2.7°
18 October – 27 October
63.3°
59.6°
+2°
28 October – 6 November
at normal
56.7°
—
October records over 66 years
88.2°2 October 2019All-time high
27.9°31 October 2020All-time low
Climate normals and records are computed from the nearest reference point — Bridgeport (8 mi).
Fri, 0968° / 44°0
68 °
Lyons Plain, Friday, 9 October
Clear. High 68°, low 44°.
Pressure30.12 inHg
Wind10.1 mph W
Humidity47%
Visibility6.2 mi
Dew point43°
Sat, 1065° / 46°0
65 °
Lyons Plain, Saturday, 10 October
Overcast. High 65°, low 46°.
Pressure30.47 inHg
Wind3.2 mph NW
Humidity49%
Visibility6.2 mi
Dew point43°
Sun, 1165° / 51°0.02
65 °
Lyons Plain, Sunday, 11 October
Light rain. High 65°, low 51°.
Pressure30.42 inHg
Wind7 mph S
Humidity57%
Visibility6.2 mi
Dew point49°
Mon, 1265° / 58°0.57
65 °
Lyons Plain, Monday, 12 October
Rain. High 65°, low 58°.
Pressure29.77 inHg
Wind11.3 mph E
Humidity98%
Visibility—
Dew point62°
Tue, 1375° / 56°0.2
75 °
Lyons Plain, Tuesday, 13 October
Rain. High 75°, low 56°.
Pressure29.59 inHg
Wind13 mph NW
Humidity70%
Visibility—
Dew point57°
Wed, 1457° / 44°0.02
57 °
Lyons Plain, Wednesday, 14 October
Light rain. High 57°, low 44°.
Pressure29.91 inHg
Wind16.8 mph NW
Humidity46%
Visibility—
Dew point31°
Thu, 1558° / 42°0
58 °
Lyons Plain, Thursday, 15 October
Mostly clear. High 58°, low 42°.
Pressure30.24 inHg
Wind6.8 mph N
Humidity39%
Visibility—
Dew point29°
Fri, 1672° / 54°0
72 °
Lyons Plain, Friday, 16 October
Clear. High 72°, low 54°.
Pressure30.24 inHg
Wind10.8 mph SW
Humidity55%
Visibility—
Dew point47°
Sat, 1779° / 61°0
79 °
Lyons Plain, Saturday, 17 October
Clear. High 79°, low 61°.
Pressure30.21 inHg
Wind7.7 mph SW
Humidity55%
Visibility—
Dew point54°
Sun, 1872° / 60°0.06
72 °
Lyons Plain, Sunday, 18 October
Light rain. High 72°, low 60°.
Pressure30.21 inHg
Wind10.4 mph S
Humidity72%
Visibility—
Dew point59°
Mon, 1964° / 58°0.3
64 °
Lyons Plain, Monday, 19 October
Rain. High 64°, low 58°.
Pressure30.03 inHg
Wind10.8 mph N
Humidity93%
Visibility—
Dew point58°
Tue, 2065° / 54°0
65 °
Lyons Plain, Tuesday, 20 October
Partly cloudy. High 65°, low 54°.
Pressure30.09 inHg
Wind5.7 mph N
Humidity56%
Visibility—
Dew point44°
Wed, 2160° / 45°0
60 °
Lyons Plain, Wednesday, 21 October
Overcast. High 60°, low 45°.
Pressure29.94 inHg
Wind13 mph N
Humidity56%
Visibility—
Dew point42°
Thu, 2257° / 40°0
57 °
Lyons Plain, Thursday, 22 October
Clear. High 57°, low 40°.
Pressure30.21 inHg
Wind9.9 mph N
Humidity47%
Visibility—
Dew point30°
Fri, 2361° / 48°0
61 °
Lyons Plain, Friday, 23 October
Overcast. High 61°, low 48°.
Pressure30.30 inHg
Wind9.3 mph SE
Humidity65%
Visibility—
Dew point46°
From day 17 onward the outlook is built from 60-year climate statistics
Sat, 2459° / 48°0.18
59 °
Lyons Plain, Saturday, 24 October
Climate normal for this date — 60-year average.
Average high59°
Average low48°
Average precipitation0.18 in
Chance of precipitation35%
Record high73° (2001)
Record low32° (1969)
Sun, 2560° / 48°0.14
60 °
Lyons Plain, Sunday, 25 October
Climate normal for this date — 60-year average.
Average high60°
Average low48°
Average precipitation0.14 in
Chance of precipitation35%
Record high74° (1963)
Record low37° (2018)
Mon, 2658° / 48°0.16
58 °
Lyons Plain, Monday, 26 October
Climate normal for this date — 60-year average.
Average high58°
Average low48°
Average precipitation0.16 in
Chance of precipitation32%
Record high75° (2023)
Record low34° (2018)
Tue, 2758° / 47°0.17
58 °
Lyons Plain, Tuesday, 27 October
Climate normal for this date — 60-year average.
Average high58°
Average low47°
Average precipitation0.17 in
Chance of precipitation25%
Record high78° (1963)
Record low31° (1976)
Wed, 2858° / 47°0.19
58 °
Lyons Plain, Wednesday, 28 October
Climate normal for this date — 60-year average.
Average high58°
Average low47°
Average precipitation0.19 in
Chance of precipitation32%
Record high79° (2023)
Record low32° (1976)
Thu, 2956° / 45°0.2
56 °
Lyons Plain, Thursday, 29 October
Climate normal for this date — 60-year average.
Average high56°
Average low45°
Average precipitation0.2 in
Chance of precipitation27%
Record high71° (1971)
Record low33° (1965)
Fri, 3056° / 44°0.14
56 °
Lyons Plain, Friday, 30 October
Climate normal for this date — 60-year average.
Average high56°
Average low44°
Average precipitation0.14 in
Chance of precipitation22%
Record high72° (2024)
Record low33° (2020)
Sat, 3157° / 46°0.06
57 °
Lyons Plain, Saturday, 31 October
Climate normal for this date — 60-year average.
Average high57°
Average low46°
Average precipitation0.06 in
Chance of precipitation23%
Record high78° (2024)
Record low28° (2020)
Sun, 0158° / 47°0.12
58 °
Lyons Plain, Sunday, 1 November
Climate normal for this date — 60-year average.
Average high58°
Average low47°
Average precipitation0.12 in
Chance of precipitation28%
Record high78° (2024)
Record low35° (2023)
Mon, 0258° / 47°0.09
58 °
Lyons Plain, Monday, 2 November
Climate normal for this date — 60-year average.
Average high58°
Average low47°
Average precipitation0.09 in
Chance of precipitation32%
Record high70° (1982)
Record low29° (2023)
Tue, 0358° / 46°0.12
58 °
Lyons Plain, Tuesday, 3 November
Climate normal for this date — 60-year average.
Average high58°
Average low46°
Average precipitation0.12 in
Chance of precipitation28%
Record high73° (2003)
Record low34° (2023)
Wed, 0456° / 45°0.05
56 °
Lyons Plain, Wednesday, 4 November
Climate normal for this date — 60-year average.
Average high56°
Average low45°
Average precipitation0.05 in
Chance of precipitation28%
Record high71° (1975)
Record low33° (2020)
Thu, 0556° / 45°0.15
56 °
Lyons Plain, Thursday, 5 November
Climate normal for this date — 60-year average.
Average high56°
Average low45°
Average precipitation0.15 in
Chance of precipitation33%
Record high72° (2022)
Record low35° (2021)
Fri, 0654° / 44°0.1
54 °
Lyons Plain, Friday, 6 November
Climate normal for this date — 60-year average.
Average high54°
Average low44°
Average precipitation0.1 in
Chance of precipitation30%
Record high77° (2024)
Record low33° (2021)
About the monthly outlook
How accurate is a 30-day forecast?
The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Lyons Plain, CT are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.
What does "above normal" mean?
We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.
Where do the 66-year records come from?
They are real temperature extremes recorded in Lyons Plain, CT since 1960: the highest and lowest reading for each calendar date, with the year it happened.
How often is it updated?
The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.